075  
CDUS46 KMTR 160828  
CLISJC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT FRI MAY 16 2025  
   
...............................  
 
   
..THE SAN JOSE AIRPORT CLIMATE SUMMARY FOR MAY 15 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 2:16 PM 99 2008 74 4 77  
MINIMUM 48 5:01 AM 37 1896 52 -4 54  
AVERAGE 63 63 0 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.36 2019 0.01 -0.01 0.00  
MONTH TO DATE 0.11 0.23 -0.12 0.67  
SINCE OCT 1 9.31 13.02 -3.71 17.06  
SINCE JAN 1 5.67 8.87 -3.20 13.63  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 1947  
MONTH TO DATE T  
SINCE MAR 1 T  
SINCE JUL 1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 3 -1 0  
MONTH TO DATE 36 63 -27 36  
SINCE MAR 1 519 538 -19 409  
SINCE JUL 1 1690 2121 -431 1473  
 
COOLING  
YESTERDAY 0 1 -1 1  
MONTH TO DATE 13 15 -2 22  
SINCE MAR 1 19 28 -9 37  
SINCE JAN 1 19 28 -9 37    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 35 1:00 PM  
AVERAGE 61  
   
......................................................  
 
THE SAN JOSE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 98 1956  
1997  
2008  
MINIMUM TEMPERATURE (F) 52 32 1894  
 
SUNRISE AND SUNSET  
MAY 16 2025...........SUNRISE 5:58 AM PDT SUNSET 8:11 PM PDT  
MAY 17 2025...........SUNRISE 5:57 AM PDT SUNSET 8:12 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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